<div class="resource-manager absolute scrollbar-override">
  <div class="resource-manager-title">资源管理器</div>
  <app-tree ></app-tree>
  <button 
    *ngIf="!apiService.projectDir"
    class="resource-manager-open-directory-btn pointer" 
    (click)="openDirectory()">打开文件夹</button>

</div>
